Table 2. Means and between-device standard deviations (SDs) of maximal acceleration (amax) during different team sport-specific actions measured with a GPS and an LPM system and the mean of amax measured with laser.
| Subcategory | Laser (m·s−2) | GPS | LPM | ||||
|---|---|---|---|---|---|---|---|
| Mean (m·s−2) | SD (m·s−2) | CV (%) | Mean (m·s−2) | SD (m·s−2) | CV (%) | ||
| low acceleration from standstill (LA) | 1.76 | 1.32 | 0.22 | 16.1 | 1.49 | 0.22 | 14.7 |
| high acceleration from standstill (HA) | 6.25 | 6.55 | 0.79 | 10.3 | 4.90 | 0.24 | 4.8 |
| high acceleration from a flying start (HA-flyingS) | 4.62 | 4.54 | 0.13 | 2.8 | 5.06 | 0.32 | 6.3 |
| acceleration after an abrupt deceleration (A-D) | 2.85 | 2.85 | 0.13 | 5.0 | 2.99 | 0.25 | 11.1 |
| acceleration after a 180° change of direction (A-COD) | 3.46 | 1.33 | 0.18 | 12.8 | 1.65 | 0.14 | 8.7 |
| repetitive high acceleration, shuttle runs 4 x 5m (RA-5m) | 5.08 | 3.04 | 0.29 | 9.8 | 2.94 | 0.32 | 10.7 |
| repetitive high acceleration, shuttle runs 4 x 10m (RA-10m) | 5.16 | 4.25 | 0.16 | 4.4 | 3.44 | 0.27 | 9.3 |
The Coefficient of Variation (CV) is an indicator of the inter-unit reliability.